UK Tax & NI Estimator 2025

No sign-up. Instant income tax & NI breakdown for PAYE and self-employed income.

Annual PAYE Salary (£): Self-Employed Income (£): Self-Employed Expenses (£): Pension Contributions (%):

⚠️ This tool provides a simplified estimate of UK tax and NI based on 2025 thresholds.
It does not include student loans, Scottish tax bands, or exact weekly pay assumptions.
Sources: HMRC Income Tax, HMRC National Insurance.